Question

Radii of 2 cone in ratio 3:1 and height 1:3 find ratio of their volume

Answer 1

Let the ratio of radii be 3x and 1x

And heights be 1x and 3x

Volume of 1st cone:Volume of 2nd cone

1/3×22/7×3x×3x×1x:1/3×22/7 ×1x×1x×3x

3:1